Query Snowball: A Co-occurrence-based Approach to Multi-document Summarization for Question Answering.
Hajime MoritaTetsuya SakaiManabu OkumuraPublished in: ACL (2) (2011)
Keyphrases
- co occurrence
- question answering
- multi document summarization
- text summarization
- query terms
- named entities
- information retrieval
- query processing
- natural language processing
- query expansion
- information extraction
- wordnet
- semantic relations
- relevance feedback
- relation extraction
- question answering systems
- document set
- natural language
- semantic similarity
- cross language
- named entity recognition
- user queries
- sentence level
- retrieval effectiveness
- information retrieval systems
- word sense
- relevance scores
- search queries
- n gram
- topic models
- language model
- pseudo relevance feedback
- noun phrases
- web search
- text mining
- expert systems
- keywords